Purification method of azacyclohexapeptide or its salt
US9233318B2 · kind B2 · utility
0Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2011 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Sep 10, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K7/56
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A purification method of the compound represented by formula 1 is provided, which includes the following steps: (1) loading crude compound 1 on macroporous adsorbent resin, (2) washing the macroporous adsorbent resin with an aqueous solution, an organic solvent or a mixture solution of organic solvent and water, (3) eluting with an aqueous solution, an organic solvent or a mixture solution of organic solvent and water. The purified compound represented by formula 1 is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.